the obama administration calls the defense of marriage act unconstitutional. >>> the state's deteriorating awater management system may be heading to catastrophe unless bold steps are taken. >>> and "we were here" takes a look back at the aids years in san francisco. all coming up next. >>> good evening. i'm scott schaefer setting in for belva davis. welcome to "this week in northern california." joining me are dan brekke, josh richman, legal and political affairs reporter for the oakland tribune and carla marinucci, of "the san francisco chronicle." quite a kerfuffle in wisconsin, indiana, ohio. what's happening? what are the unions upset about? what does it mean for california? >> it has been called a tsunami on its way to california. the whole issue broke open this week. a lot of people wondering could california face the same kind of protests and action? this is all about money, power, and politics. the unions, particularly public employee unions are heart of the democratic party. they provide money, man power, and in states like wisconsin, we saw a republican governor challenge them o